Calculating Molar Mass of Sr(NO3)2: Step-by-Step Guide with Example Calculation

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The molar mass of Sr(NO3)2 is calculated by summing the contributions from each element in the compound. Strontium (Sr) contributes 87.62 g, nitrogen (N) contributes 28.014 g from two moles, and oxygen (O) contributes 95.994 g from six moles. The total molar mass is therefore 211.628 g. This calculation confirms the accuracy of the molar mass determination for strontium nitrate. Understanding these steps is essential for accurate chemical calculations.
UNknown 2010
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Hi
my question is
What is the molar mas of: Sr(NO3)2
1 mol Sr ((87.62 g Sr)/(1 mol Sr)) = 87.62 g
2 mol N ((14.007 g N)/(1 mol N)) = 28.014 g

6 mol O ((15.999 g O)/(1 mol o)) = 95.994 g

The molar mas is (87.62 g + 28.014 g + 95.994 g) = 211.628 g
 
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Correct.
 

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